Building Envelope Tightness Upgrade Checklist
General Preparation
Review as-built drawings and specifications
Identify potential air leakage locations
Schedule site access and notify occupants
Inspection & Testing
Visual inspection of building envelope
Perform air leakage testing (e.g. blower door)
Document leakage locations
Sealing & Upgrades
Seal penetrations (pipes, wires, ducts)
Upgrade weatherstripping on doors and windows
Repair or replace damaged envelope components
Verify sealing around roof/wall intersections
Post-Upgrade Verification
Re-test envelope tightness
Confirm all issues have been addressed
Document improvements and test results
Additional Notes: